#ifndef __NS_GIGE_HH__
#define __NS_GIGE_HH__
-//#include "base/range.hh"
+#include "base/statistics.hh"
#include "dev/etherint.hh"
#include "dev/etherpkt.hh"
-#include "sim/eventq.hh"
+#include "dev/io_device.hh"
#include "dev/ns_gige_reg.h"
-#include "base/statistics.hh"
#include "dev/pcidev.hh"
#include "dev/tsunami.hh"
-#include "dev/io_device.hh"
#include "mem/bus/bus.hh"
-
-/** defined by the NS83820 data sheet */
-//these are now params for the device
-//#define MAX_TX_FIFO_SIZE 8192
-//#define MAX_RX_FIFO_SIZE 32768
+#include "sim/eventq.hh"
/** length of ethernet address in bytes */
#define EADDR_LEN 6
};
struct dp_rom {
- /** for perfect match memory. the linux driver doesn't use any other ROM */
+ /**
+ * for perfect match memory.
+ * the linux driver doesn't use any other ROM
+ */
uint8_t perfectMatch[EADDR_LEN];
};
/* tx State Machine */
TxState txState;
+ bool txEnable;
+
/** Current Transmit Descriptor Done */
bool CTDD;
/** current amt of free space in txDataFifo in bytes */
/** rx State Machine */
RxState rxState;
+ bool rxEnable;
+
/** Current Receive Descriptor Done */
bool CRDD;
/** num of bytes in the current packet being drained from rxDataFifo */
* Retransmit event
*/
void transmit();
- typedef EventWrapper<NSGigE, &NSGigE::transmit> TxEvent;
+ void txEventTransmit()
+ {
+ transmit();
+ if (txState == txFifoBlock)
+ txKick();
+ }
+ typedef EventWrapper<NSGigE, &NSGigE::txEventTransmit> TxEvent;
friend class TxEvent;
TxEvent txEvent;
Stats::Formula txPacketRate;
Stats::Formula rxPacketRate;
- private:
- Tick pioLatency;
-
public:
Tick cacheAccess(MemReqPtr &req);
};